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1) Assume that we have a semiconductor for which the majority carriers are el ectro number...
Please help me 1. In degenerate p-type silicon, a. The Fermi energy is above the valence...
Please help me
1. In degenerate p-type silicon, a. The Fermi energy is above the valence energy and below the intrinsic Fermi energy b. The Fermi energy is below the valence energy c. The Fermi energy is above the conduction energy d. The Fermi energy is below the conduction energy and above the intrinsic Fermi energy 2. A semiconductor has No 5X 1010 cm3 and N-2X 1018 cm2. It is a. b. C. d. N-type and electrons are the majority...
Consider the Semiconductor above in Figure 1. For electrons traveling along the [111] Direction which energy...
Consider the Semiconductor above in Figure 1.
For electrons traveling along the [111] Direction which energy
valley has the greatest effective mass?
Consider two electrons one located in the X-valley and one in
the L-Valley, which one would have the greater velocity
magnitude?
What compound semiconductor material is shown above in Figure
1, is it a direcot or indirect gap semiconductor?
Energy 300K Eg- 1.42 eV EL = 1.71 eV Ex=1.90 eV Eso 0.34 eV , X-valley .alley L-valley <100>...
Discussion Inventory Issue Assume a public company in the semiconductor industry that has been around for...
Discussion Inventory Issue Assume a public company in the semiconductor industry that has been around for a long time. They have some “slow moving” inventory, which has a cost of $150 million. It is material when compared to annual net income, and very material compared to quarterly results. Total inventory at the most recent quarter end was about $600 million. The inventory items in question are what this industry calls service inventory. Basically, it is spare parts that are not...
**Please Show All The Steps** As I mentioned in the class assume that we have a...
**Please Show All The Steps**
As I mentioned in the class assume that we have a GaAs (Gallium
Arsenide) sample which was doped with excessive As to produce a
resistivity of 0.05 Ωm. Owing to the presence of an unknown
acceptor impurity the actual resistivity was 0.06Ωm, the sample
remaining n-type. What were the concentrations of donors and
acceptors present?
(Please take μe=0.85 m2/Vs and assume that all impurity atoms
are ionized)
PHYSICAL CONSTANTS Avagadro's Number NA- 6.02 x 10*23...
14) Which of the following is NOT a typical electrical component? A) Resistor B) Capacitor C)...
14) Which of the following is NOT a typical electrical component? A) Resistor B) Capacitor C) Megatron Inductor E) Transformer D) 23) Convert 6.8 x 10-5 W to the closest standard metric prefix. A) 68 °W B) 0.68 uW C) 680 uW D) 6.8 uw 24) Convert 3.95 x 10-4 A to the closest standard metric prefix. A) 3.95 mA 39.5 mA 0.395 mA D 395 mA Convert the following: 25) 2 x 10-3 Amp = A) 2 microamps 2...
A low-loss dielectric is one with a small loss tangent, that is, (o/we) <1. We can...
A low-loss dielectric is one with a small loss tangent, that is, (o/we) <1. We can reduce (6.52) for this special case by applying a binomial series expansion to the value within the 6.3.1 Low-Loss Dielectrics interior square root portion of the equations. The expansion is n(n-1);- + (1 + x)" = 1 + nx + 2! and for x< 1 this can be approximated as (1 + x)" = 1+ nx So we have + 1+ (6.53) 08 Inserting...
1. To use the measured d, we assume the current flows along the central axes of...
1. To use the measured d, we assume the current flows along the
central axes of Rod CD and Rod AB. Because of the repulsive forces,
the conduction electrons in each rod however tend to move as far
away from the other rod as possible. Considering this effect,
should the actual μ0 value be higher or lower than the measured μ0
value? Why?
7*10^-7 = μ0*L/2*pi*d*g
L = 0.296
d = 0.011
g = 9.8
μ0 = 1.76*10^-6
2. If...
If we assume that x is very small compared to 0.00250, the first iteration gives x=(0.00250×4.5×10−4)1/2=0.00106....
If we assume that x is very small compared to 0.00250, the first iteration gives x=(0.00250×4.5×10−4)1/2=0.00106. Even though the assumption is not valid, it seems likely that [HNO2] is closer to (0.00250−0.00106)M than to 0.00250 M. Substitute the new value into the original equation to obtain the second iteration, x20.00250−0.00106=4.5×10−4 and then x=8.04×10−4. Now, we can restrict x to the following range: 8.04×10−4<x<1.06×10−3 Use the new value of x to write that [HNO2]=(0.00250−0.000804)M and solve the equation once again for...
1) We use this formula: [Experimental value – Theoretical value]/ [Theoretical value] to calculate: Group of...
1) We use this formula: [Experimental value – Theoretical value]/ [Theoretical value] to calculate: Group of answer choices Atomic decay Biased Error Relative percent error Efficiency Redshift 2)You measure the diameter of a cylinder 5 times and get five different values (d1, d2, d3, d4, d5.) Then, the average value would be: Group of answer choices (d1 x d2 x d3 x d4 x d5) divided by 5 (d1 + d2 + d3 + d4 + d5) divided by 5...
1) Which of these scientists pioneered the study of electricity? A) Isaac Newton B) Galileo C)...
1) Which of these scientists pioneered the study of electricity? A) Isaac Newton B) Galileo C) Benjamin Franklin D) all of the above 2) The nucleus of an atom is charged A) positively B) negatively C) both of these D) none of the above 3) The electric charge of all electrons A) vary from atom to atom. B) vary from ion to ion. C) are identical. 4) Compared to the mass of a proton, the mass of an electron is...
Please help me
1. In degenerate p-type silicon, a. The Fermi energy is above the valence energy and below the intrinsic Fermi energy b. The Fermi energy is below the valence energy c. The Fermi energy is above the conduction energy d. The Fermi energy is below the conduction energy and above the intrinsic Fermi energy 2. A semiconductor has No 5X 1010 cm3 and N-2X 1018 cm2. It is a. b. C. d. N-type and electrons are the majority...
Consider the Semiconductor above in Figure 1.
For electrons traveling along the [111] Direction which energy
valley has the greatest effective mass?
Consider two electrons one located in the X-valley and one in
the L-Valley, which one would have the greater velocity
magnitude?
What compound semiconductor material is shown above in Figure
1, is it a direcot or indirect gap semiconductor?
Energy 300K Eg- 1.42 eV EL = 1.71 eV Ex=1.90 eV Eso 0.34 eV , X-valley .alley L-valley <100>...
**Please Show All The Steps**
As I mentioned in the class assume that we have a GaAs (Gallium
Arsenide) sample which was doped with excessive As to produce a
resistivity of 0.05 Ωm. Owing to the presence of an unknown
acceptor impurity the actual resistivity was 0.06Ωm, the sample
remaining n-type. What were the concentrations of donors and
acceptors present?
(Please take μe=0.85 m2/Vs and assume that all impurity atoms
are ionized)
PHYSICAL CONSTANTS Avagadro's Number NA- 6.02 x 10*23...
14) Which of the following is NOT a typical electrical component? A) Resistor B) Capacitor C) Megatron Inductor E) Transformer D) 23) Convert 6.8 x 10-5 W to the closest standard metric prefix. A) 68 °W B) 0.68 uW C) 680 uW D) 6.8 uw 24) Convert 3.95 x 10-4 A to the closest standard metric prefix. A) 3.95 mA 39.5 mA 0.395 mA D 395 mA Convert the following: 25) 2 x 10-3 Amp = A) 2 microamps 2...
A low-loss dielectric is one with a small loss tangent, that is, (o/we) <1. We can reduce (6.52) for this special case by applying a binomial series expansion to the value within the 6.3.1 Low-Loss Dielectrics interior square root portion of the equations. The expansion is n(n-1);- + (1 + x)" = 1 + nx + 2! and for x< 1 this can be approximated as (1 + x)" = 1+ nx So we have + 1+ (6.53) 08 Inserting...
1. To use the measured d, we assume the current flows along the
central axes of Rod CD and Rod AB. Because of the repulsive forces,
the conduction electrons in each rod however tend to move as far
away from the other rod as possible. Considering this effect,
should the actual μ0 value be higher or lower than the measured μ0
value? Why?
7*10^-7 = μ0*L/2*pi*d*g
L = 0.296
d = 0.011
g = 9.8
μ0 = 1.76*10^-6
2. If...
1) Which of these scientists pioneered the study of electricity? A) Isaac Newton B) Galileo C) Benjamin Franklin D) all of the above 2) The nucleus of an atom is charged A) positively B) negatively C) both of these D) none of the above 3) The electric charge of all electrons A) vary from atom to atom. B) vary from ion to ion. C) are identical. 4) Compared to the mass of a proton, the mass of an electron is...
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